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TYPICAL TRENCH BACKFILL DETAIL <br />Note 1 Below <br />Pavement <br />4 <br />` See Note 2 Below <br />3 —D' <br />Compact in 12' max— <br />layers to a min relative <br />y <br />compaction of 95% <br />'j ________ <br />under pavement and <br />yar—_—_--' <br />90X outside pavement. <br />— Compact in 24' max— <br />layers to a min relative <br />OD/2 <br />compaction of 85%. <br />Compact in 6' layers - <br />to a min relative <br />compaction of 90%. <br />t0' Mlin <br />Min 10' Min <br />Min <br />S t t :AMM <br />0' Min <br />NOTES: <br />1, New pavement shall be 1' thicker than existing pavement, minimum <br />of 0,25 Ft. New base shall be 1' thicker than existing base, min of 0.50 Ft. <br />2. Select native material or imported granular material as approved by the Director <br />of Public Works. Backfill with materials equal to or better than the existing <br />pavement and base in quality. <br />3. Relative compaction of materials shall be tested in accordance with <br />the State of Cal4cmio, Dept. of Transportation Testing Manuals, test <br />method No. California 215 or 231. <br />4. A3 existing pavement shall be neatly cut to line prior to trench excavation. <br />5. Jetting or ponding will be permitted within the street right—of—way with <br />a 3 year bond, when approved by the Director of Public Works - <br />6. When shown by soil composition and compaclability, ninety percent (90X) <br />compaction may be used, when approved by the Director of Public Works. <br />7. Speciol bedding and backfill requirements may be shown on the plans or <br />specified in the special provisions. <br />TYPICAL TRENCH BACKFILL <br />• ea PeNpwr eon DaU <br />Y COUNTY OF SAN JOAQUIN <br />PIPARI INAT{e MINIJr *IXI <br />wmtft fiz tlatr: DEC 2914 Std. 0wg. No. R-29 <br />Call USA @ 811 <br />48hrs prior to start of work <br />SAFETY NOTE <br />WORK AREA WILL INCLUDE LANE <br />CLOSURE ON ROAD WITH VERY HIGH <br />TRAFFIC VOLUME. PLEASE PROVIDE <br />COMPLETE WORK AREA PROTECTION. <br />M.O.P REQUIRED <br />CATEGORY -3 <br />FOLLOW PROCEDURES AS DETAILED IN <br />NORTHERN SECTOR PLAN FOR PROTECTION <br />OF UNDERGROUND AND BURIED CABLE <br />M . P. DATED <br />GENERAL NOTES: <br />1. CONTRACTOR SHALL REQUEST LOCATION of <br />UNDERGROUND FACILITIES BY USA <br />2. CONTRACTOR WILL COMPLY WITH ALL <br />SAN JOAQUIN COUNTY REGULATIONS FOR SPLICE <br />PIT & SURFACE COMPACTION <br />3. CONTRACTOR WILL RETURN WORK AREA BACK <br />TO ORIGINAL OR BETTER CONDITION PRIOR TO <br />START OF WORK <br />4. MAINTAIN 48" MINIMUM COVER <br />